#100C2E#100C2E

#100C2E is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.4% C 0.065 H 283.2°. Best body text is #FFFFFF at 18.85:1 contrast (WCAG AA passes).

Color values

HEX	#100C2E
RGB	rgb(16, 12, 46)
HSL	hsl(247, 59%, 11%)
HSV	hsv(247, 74%, 18%)
CMYK	cmyk(65.2%, 73.9%, 0%, 82%)
CIE-LAB	lab(5.15, 12.13, -21.49)
CIE-LCH	lch(5.15, 24.68, 299.43°)
OKLab	oklab(18.45% 0.015 -0.0637)
OKLCH	oklch(18.45% 0.065 283.2)
XYZ	xyz(0.8381, 0.5703, 2.6502)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100C2E #2A2E0C

analogous

#0C192E #100C2E #210C2E

triadic

#100C2E #2E100C #0C2E10

tetradic

#100C2E #2E0C19 #2A2E0C #0C2E21

square

#100C2E #2E0C19 #2A2E0C #0C2E21

split-complementary

#100C2E #2E210C #192E0C

monochromatic

#080618 #080618 #100C2E #21195F #32258F

Accessibility & contrast

On white

18.85

#100C2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#100C2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100C2E

18.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100C2E	#FFFFFF	#000000	##FFFFFF
##100C2E	1.00	18.85	1.11	18.85
#FFFFFF	18.85	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00122F

Deuteranopia (green-blind)

#00102D

Tritanopia (blue-blind)

#04141B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #100c2e;
/* rgb */ color: rgb(16, 12, 46);
/* oklch */ color: oklch(18.4% 0.065 283.2);

Tailwind

colors: {
  custom: {
    50: '#514c67',
    500: '#100c2e',
    950: '#000000',
  },
}

SCSS

$custom: #100c2e;
$custom-light: #514c67;
$custom-dark: #000000;

JSON

{
  "hex": "#100c2e",
  "rgb": {
    "r": 16,
    "g": 12,
    "b": 46
  },
  "hsl": {
    "h": 247.059,
    "s": 58.621,
    "l": 11.373
  },
  "oklch": {
    "l": 0.18447,
    "c": 0.06548,
    "h": 283.2
  },
  "luminance": 0.0057
}

Semantic roles & 50–950 ramp

primary

#100C2E

secondary

#626A2C

accent

#E246CF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100C2E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →